bigwrite
if (bigwrite(ofd, bfr, dist) != (size_t)dist)
if (bigwrite(ofd,
if (bigwrite(ofd, C, len) != (size_t)len)
if (bigwrite(ofd, bfr, len) != (size_t)len)
if (bigwrite(ofd, Cs, bcnt) != (size_t)bcnt)
if (bigwrite(ofd, Cs, bcnt) != (size_t)bcnt)
static size_t bigwrite(int, void const *, size_t);